3. The probability of a radar station detecting an enemy plane is 0.45. If 12 stations are in use a. What is the probability of 3 stations detecting an enemy plane? .092 b. What is the expected number of stations that will detect an enemy plane? C. What is the standard deviation?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.3: Measures Of Spread
Problem 16HP
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3. The probability of a radar station detecting an enemy plane is 0.45. If 12 stations are in use
a. What is the probability of 3 stations detecting an enemy plane?
.092
b. What is the expected number of stations that will detect an enemy plane?
c. What is the standard deviation?
d. What is the probability that the number of stations that detect a plane is no more than 3?
Transcribed Image Text:3. The probability of a radar station detecting an enemy plane is 0.45. If 12 stations are in use a. What is the probability of 3 stations detecting an enemy plane? .092 b. What is the expected number of stations that will detect an enemy plane? c. What is the standard deviation? d. What is the probability that the number of stations that detect a plane is no more than 3?
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